英文關鍵字
area
asphalting
bulldozer
cabin
construct
construction
dirt
drop
dump
dumper
dumping
dust
duty
earth
equipment
excavation
ground
heap
industrial
industry
interstate
land
lift
lifting
lorry
machine
machinery
material
mining
mound
moving
outdoor
pavement
paving
pouring
quarry
raise
road
sand
site
soil
tipper
transport
transportation
truck
trucking
unload
unloading
vehicle
wheel